import type { Context } from '../core/context.js';
import type { SubagentStructuredReport } from '../types/multi-agent.js';
import type { Tool } from '../types/tool.js';
/** Context metadata key used to hand the submitted report to the task runner. */
export declare const SUBAGENT_STRUCTURED_REPORT_META_KEY = "subagentStructuredReport";
export declare const MAX_SUBAGENT_STRUCTURED_REPORT_CHARS = 8000;
/**
 * Validate and normalize a model-supplied structured result. The tool executor
 * already applies JSON Schema validation, but this guard keeps direct callers,
 * custom executors, and data read back from Context metadata honest too.
 */
export declare function normalizeSubagentStructuredReport(value: unknown): SubagentStructuredReport | undefined;
export declare function readSubagentStructuredReport(ctx: Pick<Context, 'meta'> | {
    meta?: Record<string, unknown>;
} | undefined): SubagentStructuredReport | undefined;
/** Stable compact text form for mailbox/roll-up surfaces. */
export declare function formatSubagentStructuredReport(report: SubagentStructuredReport): string;
/** Safe, task-local handoff channel from a subagent to its Director. */
export declare function makeSubagentResultTool(): Tool;
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